Home / 1,434,517.02-1,979,633.52-789,935.67

Finding the Fourth Proportional to 1,434,517.02, 1,979,633.52 and 789,935.67

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Solution

The fourth proportional to 1,434,517.02, 1,979,633.52 and 789,935.67 is: 1,090,111.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,517.02 : 1,979,633.52 = 789,935.67 : x
  2. Step 2: Convert to fraction form
    1,434,517.02/1,979,633.52 = 789,935.67/x
  3. Step 3: Cross multiply
    1,434,517.02x = 1,979,633.52 × 789,935.67
  4. Step 4: Simplify right side
    1,434,517.02x = 1,563,783,130,975.66
  5. Step 5: Solve for x
    x = 1,563,783,130,975.66/1,434,517.02
  6. Step 6: Final answer
    x = 1,090,111.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.